Oxford Circus is the busy intersection of Oxford Street (A40) and Regent Street in the West End of London. It is served by many bus routes and by Oxford Circus tube station, which is directly beneath the junction itself.

At the end of the 2000s, Oxford Circus had the highest pedestrian volumes recorded anywhere in London. At the busiest times, over 40,000 pedestrians per hour pass through the junction including those accessing the London Underground station.